Physics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992angeo..10..815e&link_type=abstract
Annales Geophysicae (ISSN 0992-7689), vol. 10, no. 11-12, p. 815-826.
Physics
12
Atmospheric Physics, Auroras, Polar Cusps, Ultraviolet Emission, Daytime, Dmsp Satellites, Particle Precipitation
Scientific paper
Satellite optical observations and particle measurements are combined here to provide an intercalibration between Viking UV observations of the dayside aurora and DMSP-F7 particle boundary definitions. The main auroral distribution is usually continuous through the noon sector between 8 and 16 MLT. There is generally good correspondence between the Viking UV aurora and the DMSP particle signatures. The mantle and cusp particle signatures from DMSP usually result in little if any Viking UV response and consistently appear poleward of the main auroral distribution. Magnetic field mapping indices that in addition to the observed DMSP particle cusps there may be a special cusp signature more closely related to magnetospheric topology. There sometimes appears to be a boundary between the mantle and polar rain particle signatures which is associated with a high-latitude auroral feature, poleward and parallel to the auroral 'oval'.
Cogger Leroy L.
Elphinstone R. D.
Hearn John D.
Murphree John S.
Newell Patrick T.
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